ata5780 ATMEL Corporation, ata5780 Datasheet - Page 5

• Manufacturer Part Number: ata5780
• Description: Uhf Ask/fsk Receiver
• Manufacturer: ATMEL Corporation

Table 1-1.
1.5
9207BS–RKE–01/11
Pin No.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1
2
3
4
5
6
7
8
9
Compatibility with the Atmel UHF Transceiver ATA5830
Pin Configuration
NPWRON5 / TRPB /
NPWRON3 / TMDO
RX_ACTIVE / LED0
NPWRON2 / TRPA
PWRON / LED1
NPWRON6 /
TMDO_CLK
ATEST_IO1
SPDT_ANT
NPWRON1
NPWRON4
TEST_IO2
SPDT_RX
CLK_OUT
Pin Name
TEST_EN
RFIN_HB
RFIN_LB
NRESET
XTAL1
XTAL2
DGND
DVCC
AGND
AVCC
MOSI
MISO
GND
SCK
NSS
IRQ
NC
NC
NC
NC
VS
This IC is pin compatible to the transceiver ATA5830. The IC has the identical RX perfor-
mance of the Atmel
does not contain a free usable microcontroller and is operated using a ROM-only programmed
AVR
the transceiver and can also be customized via EEPROM settings.
®
as state machine without flash or TX part. This receiver is therefore fully compatible with
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Digital
Digital
Digital
Digital
Digital
Digital
Digital
Digital
Digital
Digital
Digital
Digital
Digital
Digital
Type
®
Function
LNA input for low-band frequency range (< 500MHz)
LNA input for high-band frequency range (> 500MHz)
RX switch output (damped signal output)
Antenna input for the switch
Not connected
Not connected
Not connected
Not connected
Test enable, works with AVCC voltage
Crystal oscillator pin1 (input)
Crystal oscillator pin2 (output)
RF front-end supply regulator output
Main supply voltage input
NRESET
NPWRON1
NPWRON2/TRPA
NPWRON3/TMDO
NPWRON4
NPWRON5/TRPB/TMDO_CLK
Digital supply voltage
Digital ground
CLK_OUT
SCK
MOSI (Master Out/SPI Slave In)
MISO (Master Int/SPI Slave Out)
PWRON/LED1 (strong high-side driver)
NSS
IRQ (software-controlled external microcontroller interrupt flag)
NPWRON6/RX_ACTIVE (strong high-side driver)/LED0
(strong low-side driver)
Analog ground
RF front-end test input/output 2
RF front-end test input/output 1
Ground/backplane on exposed die pad
ATA5830 RX path. The difference is on the digital block. The receiver
Atmel ATA5780 [Preliminary]
5